<?xml version="1.0" encoding="utf-8"?>
<!--~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  ~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  ~   ~ Copyright (C)AIRIS Solutions 2015 TIIS App - Tanzania Immunization Information System App
  ~   ~
  ~   ~    Licensed under the Apache License, Version 2.0 (the "License");
  ~   ~    you may not use this file except in compliance with the License.
  ~   ~    You may obtain a copy of the License at
  ~   ~
  ~   ~        http://www.apache.org/licenses/LICENSE-2.0
  ~   ~
  ~   ~    Unless required by applicable law or agreed to in writing, software
  ~   ~    distributed under the License is distributed on an "AS IS" BASIS,
  ~   ~    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  ~   ~    See the License for the specific language governing permissions and
  ~   ~    limitations under the License.
  ~   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~-->

<selector xmlns:android="http://schemas.android.com/apk/res/android">

    <item><layer-list>
        <item><shape>
            <gradient android:angle="90"  android:type="linear" />

            <stroke android:width="3dip" android:color="#8ab4f8" />

            <corners android:radius="5dp" />

            <padding android:left="5dip" android:top="5dip" android:right="5dip" android:bottom="5dip" />
        </shape></item>

        <item ><bitmap android:gravity="center|right" android:src="@drawable/dropdownarrow" />   // you can use any other image here, instead of default_holo_dark_am
        </item>
    </layer-list></item>

</selector>